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Agrosystems Tornquist, Argentina. 1. Typification using indexes

    1. [1] Universidad Nacional del Sur

      Universidad Nacional del Sur

      Argentina

  • Localización: Archivos Latinoamericanos de Producción Animal, ISSN 1022-1301, ISSN-e 1022-1301, Vol. 1, Nº. 1, 1993
  • Idioma: inglés
  • Enlaces
  • Resumen
    • This research had the purpose of characterizing and grouping the current production systems and is part of a larger project that deals with the design of improved models. Tornquist, which is situated south of Buenos Aires (Argentina) and has an extensión of 418 300 ha with three geomorphologically homogeneous áreas, was divided into two, east and west, sectors. The methodological steps were: 1) stratification of farms by área and sampling; 2) personal survey of 97 farms (22% of the total), during the 1989-90 cycle; and 3) characterization and grouping of systems by Índices: general {livestock, mixed and agricultural}; livestock production (beef cattle, mixed and sheep); beef cattle (breeding, B; breeding and production of light steers, BLS; breeding and production of heavy steers, BHS; and fattening, F} and agricultural (winter crops, mixed and summer crops). The results were expressed in terms of percentages of farms engaged in the various activities. The low prevalence of land leasing indicates little influence on the production systems. Three groups of systems were formed in áreas 1 and 2 of the east sector and two in área 3, while in the west sector the groups were three and two in áreas 1 and 2, respectively. The predominant system was livestock production with 71.8%, followed by mixed and agricultural with 23.9 and 4.3%, respectively. Beef catite predominated in 9 8% of the farms. Subsystem means were: BLS, 51 %; F, 32%; BHS, 1 5%; and B, 2%, with similar valúes between sectors and small differences among áreas. Agriculture was more predominant in the east. Wheat was grown on 83% of the agricultural área and summer crops were concentrated in the east. In each área, agriculture was slightly more ascendant in small farms, probably in response to economic-financial and structural variables. It is concluded that the employed methodology, of easy application, enabled us to achieve the objectives of this research and that characterization studies, even in reduced regions, such as Tornquist, should be conducted on ecologically homogeneous áreas.


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